[1] Charite Univ Med Berlin, Dept Hematol Oncol & Tumor Immunol, Hindenburgdamm 30, D-12200 Berlin, Germany
[2] Med Univ Innsbruck, Dept Neurol, Innsbruck, Austria
[3] Univ Hosp King Juan Carlos, Dept Neurol, Madrid, Spain
[4] Univ Hosp Fdn Alcorcon, Dept Hematol, Madrid, Spain
[5] Univ Pisa, Dept Hematol & Oncol, Pisa, Italy
[6] Hop Foch, Dept Biol, Suresnes, France
[7] Hop La Pitie Salpetriere, Dept Biol Hematol, Paris, France
[8] Hop Rene Huguenin, Inst Curie, Dept Hematol, Paris, France
[9] Stadtspital Triemli Zurich, Dept Hematol & Oncol, Zurich, Switzerland
[10] Univ Salamanca, Dept Med, Salamanca, Spain
[11] Univ Salamanca, Cytometry Serv, Salamanca, Spain
[12] Penn State Coll Med, Hershey, PA USA